4-Methyl-5-phenylthiophene-2-carbonyl chloride CAS 1160249-12-6
| CAS No. | 1160249-12-6 |
| Molecular Formula | C12H9ClOS |
| Molecular Weight | 236.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Methyl-5-phenylthiophene-2-carbonyl chloride (C12H9ClOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 236.72 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-Methyl-5-phenylthiophene-2-carbonyl chloride (CAS 1160249-12-6), a certified reference material (molecular formula C12H9ClOS, MW 236.72 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-Methyl-5-phenylthiophene-2-carbonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H9ClOS |
| Molecular Weight | 236.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 5-Methyl-4-phenylthiophene-3-carbonyl chloride (CAS 1160248-98-5)
- N-Phenylthiophene-2-sulfonamide (CAS 39810-46-3)
- Ethyl 5-phenylthiophene-2-carboxylate (CAS 19282-39-4)
- 4-Ethyl-5-phenylthiophene-2-carboxylic acid (CAS 937599-47-8)
- 5-Methyl-4-phenylthiophene-3-carbohydrazide (CAS 438216-06-9)
- Ethyl 4-phenylthiophene-2-carboxylate (CAS 62404-00-6)
- 3-Methyl-4-phenylthiophene-2,5-dicarbonitrile (CAS 339111-50-1)
- 4-Phenylthiophene-2-carbonyl chloride (CAS 683274-48-8)
Recommended Standards
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- 2-(2-Chlorophenyl)-1-(thiophen-3-yl)ethan-1-one (CAS 1184126-27-9)
- 2-(2-chlorophenyl)-1-(thiophen-2-yl)ethan-1-one (CAS 1094251-98-5)
- Benzyl (2-((S)-2-amino-N-ethylpropanamido)cyclohexyl)carbamate (CAS 1354033-13-8)
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- tert-Butyl N-({[3-(trifluoromethoxy)phenyl]carbamoyl}methyl)carbamate (CAS 1824025-62-8)
- 1-((2,3,5,6-Tetramethylphenyl)sulfonamido)cyclohexane-1-carboxylic acid (CAS 885269-54-5)
- 2-Chloro-N-(4-fluorobenzyl)benzamide (CAS 550300-19-1)
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- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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